申请人:Schering Aktiengesellschaft
公开号:US04375479A1
公开(公告)日:1983-03-01
Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen, methanesulfonyl, or acetyl, R.sub.2 and R.sub.3 jointly mean oxo, oximino, or separately two hydrogen atoms, or R.sub.2 is hydrogen and R.sub.3 is hydroxy or amino, and when R.sub.3 is amino, the physiologically acceptable acid salts thereof possess valuable pharmacological properties.
化合物的公式为##STR1##其中R.sub.1是氢、甲磺酰基或乙酰基,R.sub.2和R.sub.3共同表示氧、氧肟或分别是两个氢原子,或R.sub.2是氢,R.sub.3是羟基或氨基,当R.sub.3是氨基时,其生理上可接受的酸盐具有有价值的药理学性质。